SubGhz: Add Chamberlain 7-Code, Chamberlain 8-Code, Chamberlain 9-Code (#1288)

* SubGhz: fix protocol MegaCode start duration
* SubGhz:  add reception Chamberlain Code 7, 8, 9 protocols
* SubGhz: Generating an upload from HEX data and a duration of 1 bit
* SubGhz: add transmit Chamberlain Code 7, 8, 9 protocol
* SubGhz: Rename Firefly -> Linear

Co-authored-by: あく <alleteam@gmail.com>

lib/subghz/blocks/encoder.h

@@ -14,3 +14,39 @@ typedef struct {
     LevelDuration* upload;
 
 } SubGhzProtocolBlockEncoder;
+
+/**
+ * Set data bit when encoding HEX array.
+ * @param bit_value The value of the bit to be set
+ * @param data_array Pointer to a HEX array
+ * @param set_index_bit Number set a bit in the array starting from the left
+ * @param max_size_array array size, check not to overflow
+ */
+void subghz_protocol_blocks_set_bit_array(
+    bool bit_value,
+    uint8_t data_array[],
+    size_t set_index_bit,
+    size_t max_size_array);
+
+/**
+ * Get data bit when encoding HEX array.
+ * @param data_array Pointer to a HEX array
+ * @param read_index_bit Number get a bit in the array starting from the left
+ * @return bool value bit
+ */
+bool subghz_protocol_blocks_get_bit_array(uint8_t data_array[], size_t read_index_bit);
+
+/**
+ * Generating an upload from data.
+ * @param data_array Pointer to a HEX array
+ * @param count_bit_data_array How many bits in the array are processed
+ * @param upload Pointer to a LevelDuration
+ * @param max_size_upload upload size, check not to overflow
+ * @param duration_bit duration 1 bit
+ */
+size_t subghz_protocol_blocks_get_upload(
+    uint8_t data_array[],
+    size_t count_bit_data_array,
+    LevelDuration* upload,
+    size_t max_size_upload,
+    uint32_t duration_bit);